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Home >> Kia >> 2015 >> Optima EX >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 68 (Driveshaft Assembly - Optima HEV) >> Front Driveshaft >> Repair Procedures >> Replacement

Repair Procedures: Replacement

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  1. Loosen the wheel nuts slightly.

    Raise the vehicle, and make sure it is securely supported.

  2. Remove wheel nuts, front wheel and tire from front hub.

    Tightening torque: 

    88.2 ~ 107.8 N.m (9.0 ~ 11.0 kgf.m, 65.0 ~ 79.5 lb-ft)

    Fig 1: Wheel Nuts, Front Wheel & Tire
    G08308178Courtesy of KIA MOTORS AMERICA, INC.
    CAUTION: Be careful not to damage to the wheel nuts when removing the front wheel and tire.
  3. Remove the brake caliper mounting bolts, and then hold the brake caliper assembly (A) with wire.

    Tightening torque: 

    78.4 ~ 98.0 N.m (8.0 ~ 10.0 kgf.m, 57.8 ~ 72.3 lb-ft)

    Fig 2: Front Brake Caliper & Bolts
    G08308179Courtesy of KIA MOTORS AMERICA, INC.
  4. Remove driveshaft nut (A) from the front hub when applying the brake.

    Tightening torque: 

    215.7 ~ 254.9 N.m (22.0 ~ 26.0 kgf.m, 159.1 ~ 188.0 lb-ft)

    Fig 3: Driveshaft Nut
    G08308180Courtesy of KIA MOTORS AMERICA, INC.
  5. Remove the tie rod end ball joint (A) from the knuckle.
    1. Remove the split pin (C).
    2. Remove the castle nut (B).

    Tightening torque: 

    34.3 ~ 44.0 N.m (3.5 ~ 3.4 kgf.m, 25.3 ~ 32.5 lb-ft)

    Fig 4: Tie Rod End Ball Joint, Split Pin & Castle Nut
    G08308181Courtesy of KIA MOTORS AMERICA, INC.
  6. Loosen the mount bolt and then remove the wheel speed sensor (A) from knuckle.

    Tightening torque: 

    6.8 ~ 10.7 N.m (0.7 ~ 1.1 kgf.m, 5.0 ~ 7.9 lb-ft)

    Fig 5: Wheel Speed Sensor & Bolt
    G08308182Courtesy of KIA MOTORS AMERICA, INC.
  7. Loosen the bolt & nut and then remove the knuckle from the strut assembly (A).

    Tightening torque: 

    156.9 ~ 176.5 N.m (16.0 ~ 18.0 kgf.m, 115.7 ~ 130.2 lb-ft)

    Fig 6: Strut Assembly & Bolts And Nuts
    G08308183Courtesy of KIA MOTORS AMERICA, INC.
  8. Disconnect the driveshaft (A) from the front hub assembly.
    Fig 7: Driveshaft
    G08308184Courtesy of KIA MOTORS AMERICA, INC.
  9. Insert a pry bar between the transaxle case and joint case, and separate the driveshaft (A) from the transaxle case.
    Fig 8: Separating Driveshaft From Transaxle Case
    G08308185Courtesy of KIA MOTORS AMERICA, INC.
    CAUTION:
    • Use a pry bar (A) being careful not to damage the transaxle and joint.
    • Do not insert the pry bar (A) too deep, as this may cause damage to the oil seal.
    • Do not pull the driveshaft by excessive force it may cause components inside the joint kit to dislodge resulting in a torn boot or a damaged bearing.
    • Plug the hole of the transaxle case with the oil seal cap to prevent contamination.
    • Support the driveshaft properly.
    • Replace the retainer ring whenever the driveshaft is removed from the transaxle case.
  10. Install in the reverse order of removal.